XANTHUS, river of Asia Minor.
Y
YAMA, Hindu god of the Infernal Regions.
YEAR, THE
YGDRASIL, great ash-tree, supposed by Norse mythology to support the universe.
YMIR, giant, slain by Odin.
YNYWL, Earl, host of Geraint, father of Enid.
YORK, Britain.
YSERONE, niece of Arthur, mother of Caradoc.
YSPA DA DEN PEN'KAWR, father of Olwen.